DBPapers
DOI: 10.5593/SGEM2014/B13/S4.124

THE EFFECT OF SAW-DUST ADDITION FROM PINE AND OAK WOOD ON IRON-ORE SINTERING PERFORMANCE

R. Findorak, M. Frohlichova, J. Legemza
Wednesday 1 October 2014 by Libadmin2014

References: 14th International Multidisciplinary Scientific GeoConference SGEM 2014, www.sgem.org, SGEM2014 Conference Proceedings, ISBN 978-619-7105-09-4 / ISSN 1314-2704, June 19-25, 2014, Book 1, Vol. 3, 973-980 pp

ABSTRACT
An investigation was carried out into the use of saw-dust from pine wood (SDPW) and oak wood (SDOW) as a supplementary fuels in the iron ore sintering process. The sawdusts used in this study was added as a replacement for a coke breeze. Total heat output of all tested raw mixtures was calculated as 3,8 wt. % coke breeze. The coke substitution and energy requirement provided by saw-dusts was in the range of 8 - 20 %. Experimental tests were made by using a laboratory sinter pot with charge capacity of around 70 – 90 kg per run. The main objective of the work reported here was to determine the effects of substituting coke with SDPW and SDOW in the iron ore sintering process with respect to combustion efficiency and sinter quality. The substitution of coke by saw-dust fuels more than 20 % resulted in an increase in the sintering time because of the permeability was decreased. Consequently it may lead to achieve low temperature profile of bed. Explain in more detail and interpretation of results is described in the paper.

Keywords: saw-dust, biomass, sintering process, pine wood, oak wood

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